| BL NNO | 22/09/13 | Hertha BSC [Youth] | - | Hamburger SV [Youth] | 3:3 | ||||
| BL NNO | 23/03/14 | Hertha BSC [Youth] | - | Holstein Kiel [Youth] | 3:0 |
| BL NNO | 22/09/13 | Hertha BSC [Youth] | - | Hamburger SV [Youth] | 3:3 | ||||
| BL NNO | 23/03/14 | Hertha BSC [Youth] | - | Holstein Kiel [Youth] | 3:0 |
| Leo-Jonathan Teßmann | |
| Born: | 23.08.1996 |
| Place of birth: |
Berlin, 
Germany |
| Nationality: |
Germany
|
| Height: | 181 cm |
| Position(s): | Defensive Midfielder |
| Foot: | both |